staging: comedi: addi-data: remove the MODULE_DEVICE_TABLE #ifdef'ery

Move the MODULE_DEVICE_TABLE for each addi-data driver from addi_common.c
to the individual driver files. This removes the need #ifdef'ery.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>